- February 21, 2026
Fish-based pet food may expose cats and dogs to forever chemicals
Some pet foods contain potentially harmful PFAS chemicals Cris Cantón/Getty Images Many pet foods – especially those based on fish – have levels of so-called
Ultramarathons could be bad for your blood
You can have too much of a good thing when it comes to exercising REUTERS/Lucy Nicholson While exercise is important for a long and healthy
These 5 diets could add years to your life even if you have bad genes
A healthy diet has long been linked to living into old age – and you don’t have to adhere to it perfectly to reap the
Gene editing that spreads within the body could cure more diseases
Illustration of the CRISPR-Cas9 gene-editing complex (pink and purple) bound to DNA (helix) Science Photo Library/Alamy Imagine if, instead of delivering a leaflet individually to
‘Hidden’ group of gut bacteria may be essential to good health
Gut bacteria that we barely know anything about may be essential for good health 3DMEDISPHERE/SCIENCE PHOTO LIBRARY A mysterious group of bacteria seems to thrive
Why exercise isn’t much help if you are trying to lose weight
There are lots of reasons to exercise, but it may not lead to weight loss as much as we have been led to believe Jeffrey
Nobel laureate says he’ll build world’s most powerful quantum computer
Ryan Wills for New Scientist; Alamy John Martinis is a hardware guy. He prefers the nitty-gritty of doing physics in the lab over the idealised
Can we genetically improve humans using George Church’s famous list?
Biologist George Church maintains a list of potentially beneficial gene variants DON EMMERT/AFP via Getty Images “Why should only the tall have access to tall
The Epstein-Berr virus infects most of us – but why do only some get very ill?
Epstein-Barr virus is a very common infection, but that doesn’t make it harmless Science History Images/Alamy About 1 in 10 people carry genetic variants that
Bone cancer therapy unexpectedly makes tumours less painful
An artist’s impression of nanomedicine in action ALFRED PASIEKA/SCIENCE PHOTO LIBRARY Cancer that spreads to bones can be deadly, and it also tends to be
